Purple kale has serrated and ruffled purple leaves- a cruciferous vegetable from the same family as cabbage and Brussels sprouts, Brassicaceae family. Kale contains fiber, calcium, vitamins K and C, iron, and other nutritional benefits. 

These nutrients can improve your bone health, digestion, and heart health. It also contains lutein and zeaxanthin antioxidants that could reduce the risk of eye diseases like age-related macular degeneration.